I consider it opportunistic lol. It's not so much that other gamers give the benefit of the doubt (though that helps). The best improv doesn't even come off as such.
Agreed that it translates to life advice. Agreed wholeheartedly.
You're right about the common pitfall. It really varies person-to-person too, both in what issues they'll run across at first as well as if/when they encounter the control freak issue later. GMs who are particularly fond of a certain scene, plot or character? There's got to be some level of fighting with yourself there. Biggest hurtle to get past is acknowledging that it's "our" game (collective, table, group) and not "my" game (GM, host, library-keeper). Once you've got that, it tends to stick with you.
You're also correct about the Taoist influence
role-playing games are, or at least can be, a form of zen. Though I'm no expert in regards to the Tao